Oral irrigator



FIG. 1 is a top perspective view of an oral irrigator according to the present invention;

FIG. 2 is a left-side elevational view of the oral irrigator of FIG. 1;

FIG. 3 is a right-side elevational view of the oral irrigator of FIG. 1;

FIG. 4 is a front elevational view of the oral irrigator of FIG. 1;

FIG. 5 is a back elevational view of the oral irrigator of FIG. 1;

FIG. 6 is a top plan view of the oral irrigator of FIG. 1; and,

FIG. 7 is a bottom plan view of the oral irrigator of FIG. 1. 

The ornamental design for the oral irrigator, as shown and described. 